import type { FormatDistanceFn, FormatDistanceLocale } from "../../../types.ts";

type FormatDistanceTokenValue =
  | string
  | {
      one: string;
      other: string;
    };

const formatDistanceLocale: FormatDistanceLocale<FormatDistanceTokenValue> = {
  lessThanXSeconds: {
    one: "menos de um segundo",
    other: "menos de {{count}} segundos",
  },

  xSeconds: {
    one: "1 segundo",
    other: "{{count}} segundos",
  },

  halfAMinute: "meio minuto",

  lessThanXMinutes: {
    one: "menos de um minuto",
    other: "menos de {{count}} minutos",
  },

  xMinutes: {
    one: "1 minuto",
    other: "{{count}} minutos",
  },

  aboutXHours: {
    one: "aproximadamente 1 hora",
    other: "aproximadamente {{count}} horas",
  },

  xHours: {
    one: "1 hora",
    other: "{{count}} horas",
  },

  xDays: {
    one: "1 dia",
    other: "{{count}} dias",
  },

  aboutXWeeks: {
    one: "aproximadamente 1 semana",
    other: "aproximadamente {{count}} semanas",
  },

  xWeeks: {
    one: "1 semana",
    other: "{{count}} semanas",
  },

  aboutXMonths: {
    one: "aproximadamente 1 mês",
    other: "aproximadamente {{count}} meses",
  },

  xMonths: {
    one: "1 mês",
    other: "{{count}} meses",
  },

  aboutXYears: {
    one: "aproximadamente 1 ano",
    other: "aproximadamente {{count}} anos",
  },

  xYears: {
    one: "1 ano",
    other: "{{count}} anos",
  },

  overXYears: {
    one: "mais de 1 ano",
    other: "mais de {{count}} anos",
  },

  almostXYears: {
    one: "quase 1 ano",
    other: "quase {{count}} anos",
  },
};

export const formatDistance: FormatDistanceFn = (token, count, options) => {
  let result;

  const tokenValue = formatDistanceLocale[token];
  if (typeof tokenValue === "string") {
    result = tokenValue;
  } else if (count === 1) {
    result = tokenValue.one;
  } else {
    result = tokenValue.other.replace("{{count}}", String(count));
  }

  if (options?.addSuffix) {
    if (options.comparison && options.comparison > 0) {
      return "daqui a " + result;
    } else {
      return "há " + result;
    }
  }

  return result;
};
